Hanson County

Also known as Hanson County, South Dakota, Hanson County, SD

county in South Dakota, United States of America

Key facts

Country: United States
State: South Dakota
Founded: January 13, 1871 (created), 1873 (organized)
Named after: Joseph R. Hanson
Seat: Alexandria
Largest city: Alexandria
Total: 435.355 sq mi (1,127.56 km )
Land: 434.582 sq mi (1,125.56 km )
Water: 0.773 sq mi (2.00 km ) 0.2%
Estimate 2025: 3,456
Density: 8/sq mi (3.1/km )
Time zone: UTC−6 ( Central )
Summer dst

Article

Hanson County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 3,461. Its county seat is Alexandria. The county was founded in 1871 and organized in 1873. It was named for Joseph R. Hanson, clerk of the first legislature. Hanson County is part of the Mitchell, SD Micropolitan Statistical Area. The county is somewhat unique among those in the United States in that there are no officially registered airports within the county borders.

Geography